Find the area of the green part
[2295] Find the area of the green part - Find the area of the green part if diameter of the circle is R=100. Express result to the accuracy of 3 decimal. - #brainteasers #math - Correct Answers: 38 - The first user who solved this task is Roxana zavari
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Find the area of the green part

Find the area of the green part if diameter of the circle is R=100. Express result to the accuracy of 3 decimal.
Correct answers: 38
The first user who solved this task is Roxana zavari.
#brainteasers #math
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Pete Holmes: I Love New York

There are so many people in this city, so much happening, that its impossible to tell if your apartment is haunted. Think about that, thats true. Cause you can hear anything, at any hour -- theres always something to blame it on.
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Polio virus

In 1955, American investigators Carlton Schwerdt and F.L. Schaffer crystallized the polio virus. This was the first animal virus to be obtained in crystalline form. (The first plant virus, tobacco mozaic virus, had been crystallized in 1935 by W.M. Stanley.) Each virus crystal is composed of many thousands of virus particles. Virus preparations pure enough to crystallize usually provide the best material for chemical studied. This was used to split the polio virus into infectious and non-infectious parts. Their research laid the groundwork for the polio vaccine.(Reference: Proc. Natl. Acad. Sci. 41:1020-1023)
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